package UMC.Web;

public abstract class WebFlow extends WebHandler {

    /**
     * 空流程
     */
    public static WebFlow Empty = new WebFlow() {
        @Override
        public WebActivity firstActivity() {
            return WebActivity.Empty;
        }
    };

    /**
     * 获取处理
     * @return
     */
    public abstract WebActivity firstActivity();


}